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Please someone tell the formation of CaCl2 ionic bond

Answer» Atomic number of calcium is 20.Electronic configuration of calcium: 2, 8, 8, 2Number of electrons in outermost orbit = 2Valence electron = 2Valence electrons of chlorine = 7Calcium loses two electrons in order to achieve stable electronic configuration. Each of the two chlorine atoms on the other hand gains one electron losing from calcium to get stability. By losing of two electrons calcium gets two positive charges over it. Each of the chlorine atoms gets one positive charge over it.


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